var createError = require("http-errors");
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var cors = require("cors"); //解决跨域
var logger = require('morgan');
var cors = require('cors');

const mongoose = require('mongoose');
mongoose.connect('mongodb://10.31.162.112:27017/cms', { useNewUrlParser: true });

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var adminRouter = require('./routes/admin');
var cateRouter = require('./routes/category');
var newsRouter = require('./routes/news');
var proRouter = require('./routes/products');
var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(cors());

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use(cors()); //允许跨域

app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/admin', adminRouter);
app.use('/category', cateRouter);
app.use('/news', newsRouter);
app.use('/products', proRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
    next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'development' ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render('error');
});

module.exports = app;